Ichiya-boshi (Overnight-Dried Fish)

Dec 7, 2022 | Recipes

Ichiya-Boshi: Overnight-Dried FISH

In the days before refrigeration, bountiful catches of fish were traditionally gutted, either split down the back or butterflied (belly-split), and dipped in sea water before being set out to dry in well ventilated spaces. This would extend their shelf life considerably and also concentrate their flavor. The generic term for these sorts of fish is 干物 himono, literally “the dried thing,” though air-dried fish are actually quite moist to the touch, and wonderfully succulent when broiled.

Air-dried fish are also known as 一夜干し ichiya-boshi (literally, “overnight-dried”) and 天日干し tenpi-boshi (literally, “sunlight-dried”). The former are dried for hours in cool evening and night-time breezes and the latter dried for an hour or so mid-day.

Nowadays, both types of air-dried fish are most often washed in fresh water then “bathed” in a 10-12% saline solution for about an hour before being laid out on racks set in front of high-powered fans. 

Himono are typically broiled briefly and served with lemon and/or grated radish (daikon oroshi).

Ichiya-boshi appear on pub menus, or on breakfast trays at small family-style minshuku (lodgings similar to B&B’s in America and Europe). And they also become a standby dinner for many working households since they can go from being stored in the refrigerator to being on the table in less than half-an-hour.

Buying & Cooking HIMONO

Air-dried fish are increasingly available in Asian markets outside Japan. Look in the refrigerator or freezer section of the store.

Download a Guide to Selecting and Storing Himono.

Download a Guide to Cooking ICHIYA-BOSHI, a basic recipe.

For suggestions on featuring himono in a menu, head to the Kitchen Culture Cooking Club page.

My December 2022 NEWSLETTER is about Ichiya-Boshi, comfort food from the sea.

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